Related Clues:

• Weaken, as confidence
• Weather gradually
• Slowly reduce, as a cliff
• Adversely affect, as one's confidence
• Vanish gradually
• Eat at
• Dwindle, as support
• Wear away, as rock
• Wear through weathering
• Destroy over time
• Wear gradually
• Crumble into the sea, as shoreline
• Become ground down
• Weather away
• Create chasms